Full reference: M. S. Engel. 2009. The first fossil leptofoenine wasp (Hymenoptera, Pteromalidae): A new species of Leptofoenus in Miocene amber from the Dominican Republic. ZooKeys 13:57-66
Sister taxa: none
Type specimen: KU-NHM-Ent DR-019, an exoskeleton. Its type locality is Dominican amber (SEMC coll), which is in a Burdigalian/Langhian terrestrial amber in the Dominican Republic.